What is it that injures your Mind? It is Desire. When desires are many, what we can preserve of our Original Mind is inevitably little; and when they are few, it is much. If desires were eliminated, the Mind would automatically be preserved. If scholars could refuse to follow passions and desires, they would be successors to the ancient sages.
-- Notebooks Category 24: The Peace within You > Chapter 3: Practise Detachment > # 178